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# Location of top-level MicroPython directory
MPY_DIR = ../../..
# Name of module (different to built-in btree so it can coexist)
MOD = btree_$(ARCH)
# Source files (.c or .py)
SRC = btree_c.c
# Architecture to build for (x86, x64, armv7m, xtensa, xtensawin, rv32imc)
ARCH ?= x64
BTREE_DIR = $(MPY_DIR)/lib/berkeley-db-1.xx
BERKELEY_DB_CONFIG_FILE ?= \"extmod/berkeley-db/berkeley_db_config_port.h\"
CFLAGS += -I$(BTREE_DIR)/include
CFLAGS += -DBERKELEY_DB_CONFIG_FILE=$(BERKELEY_DB_CONFIG_FILE)
CFLAGS += -Wno-old-style-definition -Wno-sign-compare -Wno-unused-parameter
SRC += $(addprefix $(realpath $(BTREE_DIR))/,\
btree/bt_close.c \
btree/bt_conv.c \
btree/bt_delete.c \
btree/bt_get.c \
btree/bt_open.c \
btree/bt_overflow.c \
btree/bt_page.c \
btree/bt_put.c \
btree/bt_search.c \
btree/bt_seq.c \
btree/bt_split.c \
btree/bt_utils.c \
mpool/mpool.c \
)
ifeq ($(ARCH),xtensa)
MPY_EXTERN_SYM_FILE=$(MPY_DIR)/ports/esp8266/boards/eagle.rom.addr.v6.ld
endif
# Use our own errno implementation if Picolibc is used
CFLAGS += -D__PICOLIBC_ERRNO_FUNCTION=__errno
ifeq ($(ARCH),armv6m)
# Link with libgcc.a for division helper functions
LINK_RUNTIME = 1
endif
include $(MPY_DIR)/py/dynruntime.mk
# btree needs gnu99 defined
CFLAGS += -std=gnu99
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